参数资料
型号: PIC16F1508-I/P
厂商: Microchip Technology
文件页数: 15/123页
文件大小: 0K
描述: IC MCU 8BIT 7KB FLASH 20-PDIP
标准包装: 22
系列: PIC® XLP™ 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 17
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.3 V ~ 5.5 V
数据转换器: A/D 12x10b,D/A 1x5b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 管件
2008 Microchip Technology Inc.
DS39631E-page 109
PIC18F2420/2520/4420/4520
TABLE 10-3:
PORTB I/O SUMMARY
Pin
Function
TRIS
Setting
I/O
Type
Description
RB0/INT0/FLT0/
AN12
RB0
0
O
DIG
LATB<0> data output; not affected by analog input.
1
I
TTL
PORTB<0> data input; weak pull-up when RBPU bit is cleared.
Disabled when analog input enabled.(1)
INT0
1
I
ST
External interrupt 0 input.
FLT0
1
I
ST
Enhanced PWM Fault input (ECCP1 module); enabled in software.
AN12
1
I
ANA
A/D input channel 12.(1)
RB1/INT1/AN10
RB1
0
O
DIG
LATB<1> data output; not affected by analog input.
1
I
TTL
PORTB<1> data input; weak pull-up when RBPU bit is cleared.
Disabled when analog input enabled.(1)
INT1
1
I
ST
External Interrupt 1 input.
AN10
1
I
ANA
A/D input channel 10.(1)
RB2/INT2/AN8
RB2
0
O
DIG
LATB<2> data output; not affected by analog input.
1
I
TTL
PORTB<2> data input; weak pull-up when RBPU bit is cleared.
Disabled when analog input enabled.(1)
INT2
1
I
ST
External interrupt 2 input.
AN8
1
I
ANA
A/D input channel 8.(1)
RB3/AN9/CCP2
RB3
0
O
DIG
LATB<3> data output; not affected by analog input.
1
I
TTL
PORTB<3> data input; weak pull-up when RBPU bit is cleared.
Disabled when analog input enabled.(1)
AN9
1
I
ANA
A/D input channel 9.(1)
CCP2(2)
0
O
DIG
CCP2 compare and PWM output.
1
I
ST
CCP2 capture input
RB4/KBI0/AN11
RB4
0
O
DIG
LATB<4> data output; not affected by analog input.
1
I
TTL
PORTB<4> data input; weak pull-up when RBPU bit is cleared.
Disabled when analog input enabled.(1)
KBI0
1
I
TTL
Interrupt-on-pin change.
AN11
1
I
ANA
A/D input channel 11.(1)
RB5/KBI1/PGM
RB5
0
O
DIG
LATB<5> data output.
1
I
TTL
PORTB<5> data input; weak pull-up when RBPU bit is cleared.
KBI1
1
I
TTL
Interrupt-on-pin change.
PGM
x
I
ST
Single-Supply In-Circuit Serial Programming mode entry (ICSP).
Enabled by LVP Configuration bit; all other pin functions disabled.
RB6/KBI2/PGC
RB6
0
O
DIG
LATB<6> data output.
1
I
TTL
PORTB<6> data input; weak pull-up when RBPU bit is cleared.
KBI2
1
I
TTL
Interrupt-on-pin change.
PGC
x
I
ST
Serial execution (ICSP) clock input for ICSP and ICD operation.(3)
RB7/KBI3/PGD
RB7
0
O
DIG
LATB<7> data output.
1
I
TTL
PORTB<7> data input; weak pull-up when RBPU bit is cleared.
KBI3
1
I
TTL
Interrupt-on-pin change.
PGD
x
O
DIG
Serial execution data output for ICSP and ICD operation.(3)
x
I
ST
Serial execution data input for ICSP and ICD operation.(3)
Legend:
DIG = Digital level output; TTL = TTL input buffer; ST = Schmitt Trigger input buffer; ANA = Analog level input/output;
x
= Don’t care (TRIS bit does not affect port direction or is overridden for this option).
Note
1:
Configuration on POR is determined by the PBADEN Configuration bit. Pins are configured as analog inputs by default
when PBADEN is set and digital inputs when PBADEN is cleared.
2:
Alternate assignment for CCP2 when the CCP2MX Configuration bit is ‘0’. Default assignment is RC1.
3:
All other pin functions are disabled when ICSP or ICD are enabled.
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